Added: 4 years ago
From: GerbilGod7
Views: 9,783
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  • Must be a very fine balance

  • OH MY GOD!

  • wicked

  • warm water heats wax that expands which drives a pump causing it to dive down. cooler water reverses the process causing it to surface.

    the reciprocating action produces forward movement.

  • Tell us more about this

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